noun
huge turnout; large crowd
Describes a place or event that is packed with people, often in a lively way.
祭りは大賑わいだった。
The festival had a huge turnout.
新店舗のオープン初日は大賑わいを見せた。
The new store's opening day drew a large crowd.
noun
great liveliness; huge exuberance
Emphasizes the energetic, bustling atmosphere rather than just the number of people.
会場は大賑わいで、笑い声が絶えなかった。
The venue was filled with great liveliness, and laughter never stopped.